Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must flea market you must flea market she must flea market we must flea market you must flea market they must flea market
V-ing form
I must be flea marketing you must be flea marketing she must be flea marketing we must be flea marketing you must be flea marketing they must be flea marketing
Perfect
I must have flea marketed you must have flea marketed she must have flea marketed we must have flea marketed you must have flea marketed they must have flea marketed
V-ing perfect
I must have been flea marketing you must have been flea marketing she must have been flea marketing we must have been flea marketing you must have been flea marketing they must have been flea marketing
Negation
Simple form
I mustn't flea market you mustn't flea market she mustn't flea market we mustn't flea market you mustn't flea market they mustn't flea market
V-ing form
I mustn't be flea marketing you mustn't be flea marketing she mustn't be flea marketing we mustn't be flea marketing you mustn't be flea marketing they mustn't be flea marketing
Perfect
I mustn't have flea marketed you mustn't have flea marketed she mustn't have flea marketed we mustn't have flea marketed you mustn't have flea marketed they mustn't have flea marketed
V-ing perfect
I mustn't have been flea marketing you mustn't have been flea marketing she mustn't have been flea marketing we mustn't have been flea marketing you mustn't have been flea marketing they mustn't have been flea marketing
Interrogative form
Simple form
must I flea market? must you flea market? must she flea market? must we flea market? must you flea market? must they flea market?
V-ing form
must I be flea marketing? must you be flea marketing? must she be flea marketing? must we be flea marketing? must you be flea marketing? must they be flea marketing?
Perfect
must I have flea marketed? must you have flea marketed? must she have flea marketed? must we have flea marketed? must you have flea marketed? must they have flea marketed?
V-ing perfect
must I have been flea marketing? must you have been flea marketing? must she have been flea marketing? must we have been flea marketing? must you have been flea marketing? must they have been flea marketing?
Interro-negative form
Simple form
mustn't I flea market? mustn't you flea market? mustn't she flea market? mustn't we flea market? mustn't you flea market? mustn't they flea market?
V-ing form
mustn't I be flea marketing? mustn't you be flea marketing? mustn't she be flea marketing? mustn't we be flea marketing? mustn't you be flea marketing? mustn't they be flea marketing?
Perfect
mustn't I have flea marketed? mustn't you have flea marketed? mustn't she have flea marketed? mustn't we have flea marketed? mustn't you have flea marketed? mustn't they have flea marketed?
V-ing perfect
mustn't I have been flea marketing? mustn't you have been flea marketing? mustn't she have been flea marketing? mustn't we have been flea marketing? mustn't you have been flea marketing? mustn't they have been flea marketing?